104 lines
2.7 KiB
C
104 lines
2.7 KiB
C
/* vim: tabstop=4 shiftwidth=4 noexpandtab
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* This file is part of ToaruOS and is released under the terms
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* of the NCSA / University of Illinois License - see LICENSE.md
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* Copyright (C) 2018 K. Lange
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*
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* icon_cache - caches icons
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*
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* Used be a few different applications.
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* Probably needs scaling?
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <toaru/graphics.h>
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#include <toaru/hashmap.h>
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static hashmap_t * icon_cache_16;
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static hashmap_t * icon_cache_48;
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static char * icon_directories_16[] = {
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"/usr/share/icons/16",
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"/usr/share/icons/24",
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"/usr/share/icons/48",
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"/usr/share/icons",
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"/usr/share/icons/external",
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NULL
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};
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static char * icon_directories_48[] = {
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"/usr/share/icons/48",
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"/usr/share/icons/24",
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"/usr/share/icons/16",
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"/usr/share/icons",
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"/usr/share/icons/external",
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NULL
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};
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__attribute__((constructor))
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static void _init_caches(void) {
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icon_cache_16 = hashmap_create(10);
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{ /* Generic fallback icon */
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sprite_t * app_icon = malloc(sizeof(sprite_t));
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load_sprite(app_icon, "/usr/share/icons/16/applications-generic.bmp");
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app_icon->alpha = ALPHA_EMBEDDED;
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hashmap_set(icon_cache_16, "generic", app_icon);
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}
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icon_cache_48 = hashmap_create(10);
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{ /* Generic fallback icon */
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sprite_t * app_icon = malloc(sizeof(sprite_t));
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load_sprite(app_icon, "/usr/share/icons/48/applications-generic.bmp");
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app_icon->alpha = ALPHA_EMBEDDED;
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hashmap_set(icon_cache_48, "generic", app_icon);
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}
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}
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static sprite_t * icon_get_int(const char * name, hashmap_t * icon_cache, char ** icon_directories) {
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if (!strcmp(name,"")) {
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/* If a window doesn't have an icon set, return the generic icon */
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return hashmap_get(icon_cache, "generic");
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}
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/* Check the icon cache */
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sprite_t * icon = hashmap_get(icon_cache, (void*)name);
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if (!icon) {
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/* We don't have an icon cached for this identifier, try search */
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int i = 0;
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char path[100];
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while (icon_directories[i]) {
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/* Check each path... */
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sprintf(path, "%s/%s.bmp", icon_directories[i], name);
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if (access(path, R_OK) == 0) {
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/* And if we find one, cache it */
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icon = malloc(sizeof(sprite_t));
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load_sprite(icon, path);
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icon->alpha = ALPHA_EMBEDDED;
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hashmap_set(icon_cache, (void*)name, icon);
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return icon;
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}
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i++;
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}
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/* If we've exhausted our search paths, just return the generic icon */
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icon = hashmap_get(icon_cache, "generic");
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hashmap_set(icon_cache, (void*)name, icon);
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}
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/* We have an icon, return it */
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return icon;
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}
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sprite_t * icon_get_16(const char * name) {
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return icon_get_int(name, icon_cache_16, icon_directories_16);
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}
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sprite_t * icon_get_48(const char * name) {
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return icon_get_int(name, icon_cache_48, icon_directories_48);
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}
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